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Productos Notables.
(a + b)² = a² + 2ab + b²
(√5 + 4√3)² =
(√5)² + 2(√5)(4√3) + (4√3)² =
5 + 8√5.√3 + 4²(√3)² =
5 + 8√(5 * 3) + 16 * 3 =
5 + 8√15 + 48 =
53 + 8√15
Respuesta.
53 + 8√15